Transaction not yet indexed

YY18u2UQ3Rmc1graWPy2itNfSf6z6p1JnZTcBFUixkNoZDaZvnbTEz8fyhGCvQhYiFv5dFaxvTvB7BLH3kkJ2Pk

The transaction signature is valid but not yet indexed by this RPC node, or the transaction failed before inclusion.